PT - JOURNAL ARTICLE AU - Sweet, William H. TI - Periods of coma DP - 1968 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 227--227 VI - 15 IP - 3 4099 - http://bjgp.org/content/15/3/227.short 4100 - http://bjgp.org/content/15/3/227.full SO - J R Coll Gen Pract1968 Mar 01; 15